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AcoustiCORK Quiet Comfort Plus Vapor Barrier

This product has been discontinued.
Please see comparable products below.
  • Helps to keep cold floors warm.
  • IIC 67, STC 72.
  • Attached vapor barrier.
  • Not recommended to adhere this underlayment with adhesive.
  • Special wave pattern allows for the cork to ‘breathe’ which helps to prevent mold and mildew growth.
  • Designed to be used under floating floors and laminate, but can be used under natural stone, wood, linoleum, ceramic tiles and hardwoods.
Description - AcoustiCORK Quiet Comfort Plus Vapor Barrier was designed to be used in areas where water may be present. The addition of a vapor barrier to this cork underlayment makes it one of the most innovative underlayments on the market. The unique design of this underlayment allows air to flow naturally between the subfloor and underlayment, which helps to prevent the growth of mold and mildew. And with the added benefit of a vapor barrier, your flooring surface is protected from the damaging affects water can have. But not only does this flooring underlayment help to protect your floor, but it also helps to reduce the step noise or ‘hollow sound’ that can be created by todays flooring; which makes this sound proofing underlayment the perfect underlayment to use under floating floors and laminates.
Material - AcoustiCORK Quiet Comfort with vapor barrier is made from cork, which is harvested bark off of the cork tree. The bark of the tree grows back for over 200 years and can be stripped every 9 years, making this product a truly renewable product.
Width - 39.4” wide rolls.
Length - Available in 32.82’ long rolls.
Thickness - 2.5mm (~1/10”).
Weight 12 lbs. per roll.
Origin - Made in the USA.
Spec Sheet - Printable Spec Sheet.
Recommended Uses – AcoustiCORK Quiet Comfort cork underlayment is a favorite to use under floating floors and laminate, but has been used under natural stone, wood, linoleum, ceramic tiles, hardwoods, engineered wood, cork flooring, and bamboo.

Available For Order - Ships between Jul 1 - 8

For complete installation instructions, please Click Here.

Cork Underlayment

  • Why cork underlayment?

AcoustiCORK Quiet Comfort cork underlayment is a wonderful eco-friendly underlayment option that helps to add warmth underfoot as well as sound reduction properties. Popular for use in condos and commercial properties, cork is naturally mold and mildew resistant and allows air to flow freely through the floor system.

Do I REALLY need underlay?

  • Yes, most definitely.

Underlayment is an amazing invention created by the flooring gods out of necessity. Underlay has an impressive list of benefits, including: adding warmth to your floors so your feet aren’t so cold on new tile flooring, adding comfort and a slight ‘give’ underneath wood or vinyl floors, reduced sound transmission (great for houses with noisy teenagers!), as well as reducing in room step noise. The image to the left is a very simplified example of using underlayment versus not using it, but as you can see the benefits greatly outweigh any reason not to.

Making your house a home

  • Products that work together

Cork underlayment is popular for use underneath of ceramic and porcelain tile flooring, hardwood floors, vinyl floors, and laminate floating floors. Cork underlayments is really quite versatile and can be used underneath all floor types.


  • What does it mean?

Underlayment with a thickness of up to 5mm thick are great when it comes to residential or commercial use, with all flooring types. When you get to more than 5mm thick, these are really great for installations where you need to add thickness to match up with an adjoining/existing floor surface.

IIC / STC Ratings

  • What do they mean?

IIC stands for Impact Insulation Class, which refers to impact sounds such as shoes hitting the ground, dropping a cell phone, or other scenarios where something it dropped or impacts the floor. STC stands for Sound Transmission Class, which refers to any audible noise (not an impact) such as music playing aloud, a conversation, or a loud television, for example. With both of these ratings systems, the higher the number rating is for the underlayment, the better it will suppress sound, and the quieter a room will be. You may want to pay close attention to these ratings when shopping for underlayment if sound reduction is important to you.

Don't see what you're looking for? 
what is product life expectancy and warranty? Thanks
ric hard hardine
Designed for a one-time installation underneath a floating floor, AcoustiCORK Quiet Comfort is an excellent underlayment product that will hold up through the life of your floor. If there are any issues when you receive the underlayment, please contact us as we will assist you.
Is there any reason I could not lay this upside down (barrier on bottom) as an underlayment for floating cork flooring tiles?
The manufacturer's installation instructions specify to lay the material with the plastic film side up (wave textured side down). This product can definitely be used with cork floor tiles.
What side goer against the sub floor, cork or vapor barrier?
Install this product with the plastic film side up (wave textured side down) .
Can this product be used as an underlayment for a nail down bamboo flooring?
AcoustiCORK Quiet Comfort w/Vapor Barrier is recommended for floating floors.
What side goer against the sub floor, cork or vapor barrier? This is confusing as many others say the vapor barrier would go down first against the concrete, the cork on top, then tile so which is it? Ive read many forums and they go back and forth with the, I have tested tile on the smooth surface and it simply doesnt stick. Testing on the cork side and it sticks with no problem so I as well as many out there are confused a little on this, shouldn't the moisture barrier face down against the concrete then tile on top of the cork??
The manufacturer recommends that you lay the material with the plastic film side up (wave textured side down). Please see the detailed installation instructions PDF on our Installation tab for further information.
Does this product provide any cushion? House is on a concrete slab.
Susan Miller
AcoustiCORK Quiet Comfort Plus Vapor Barrier will provide some cushion underfoot.
What is the R-Value of this product? I didn't see it on the spec sheet.
The R-Value for the AcoustiCORK Quiet Comfort Plus Vapor Barrier is .02.
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